| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Karczag Kira Jázmin (2014)Miskolci Sportiskola | 00:38.05R:0.61 | - | 351 | |
| 2 | 5 | Galambos Léna (2014)Miskolci Sportiskola | 00:42.68R:0.85 | 00:04.63 | 249 | |
| 3 | 3 | Harmati Zsófia (2015)Debreceni Sportc. SI | 00:45.85R:0.7 | 00:07.80 | 201 | |
| 4 | 2 | Szabó Zoé Zamira (2016)Debreceni Sportc. SI | 00:47.69R:0.83 | 00:09.64 | 178 | |
| 5 | 1 | Szlovák Panna Dóra (2015)Debreceni Sportc. SI | 00:48.44R:0.71 | 00:10.39 | 170 | |
| 6 | 6 | Bernáth Blanka (2015)Miskolci Sportiskola | 00:48.65R:0.97 | 00:10.60 | 168 | |
| 7 | 8 | Horváth Enikő (2016)Debreceni Sportc. SI | 00:50.24R:0.7 | 00:12.19 | 152 | |
| 8 | 9 | Csurka Luca (2014)NYSC | 00:50.90R:0.68 | 00:12.85 | 146 | |
| 9 | 0 | Ardelean Olivia Ameli (2016)Létavértes | 00:52.46R:0.44 | 00:14.41 | 134 | |
| - | 7 | Gaál Alíz (2014)Miskolci Sportiskola | DNS |